Home / 112,425.37-155,140.91-62,121.13

Finding the Fourth Proportional to 112,425.37, 155,140.91 and 62,121.13

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Solution

The fourth proportional to 112,425.37, 155,140.91 and 62,121.13 is: 85,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,425.37 : 155,140.91 = 62,121.13 : x
  2. Step 2: Convert to fraction form
    112,425.37/155,140.91 = 62,121.13/x
  3. Step 3: Cross multiply
    112,425.37x = 155,140.91 × 62,121.13
  4. Step 4: Simplify right side
    112,425.37x = 9,637,528,018.03
  5. Step 5: Solve for x
    x = 9,637,528,018.03/112,425.37
  6. Step 6: Final answer
    x = 85,723.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.